解剖学和形态学
麻醉学
听力与言语-语言病理学
行为科学
心脏和心血管系统
细胞和组织工程学
临床神经病学
危重症监护医学
牙科,口腔外科和医学
皮肤病学
急诊医学
内分泌学和新陈代谢
肠胃学和肝脏学
老人病学和老年医学
卫生保健科学和服务
血液学
免疫学
传染病
综合和补充性医学
医学伦理学
医学信息学
医学实验室技术
医学,全科和内科
医学,法律
医学,研究和试验
神经系统科学
护理
营养学和饮食学
产科医学和妇科医学
肿瘤学
眼科学
整形外科学
耳鼻喉科学
病理学
儿科学
周围血管疾病
药理学和药剂学
生理学
基本医疗保健
精神病学
公共、环境和职业卫生
放射学,核医学和医学成像
康复学
生殖生物学
呼吸系统
风湿病学
运动科学
外科学
毒理学
热带医学
泌尿学和肾脏学
病毒学
老年医学
健康政策和服务
心理学,临床
abstract:PURPOSE:To assess white matter (WM) tract damage in patients with atypical Alzheimer disease (AD), including early-onset AD (EOAD), logopenic variant of primary progressive aphasia (lvPPA), and posterior cortical atrophy (PCA), by using diffusion-tensor magnetic resonance (MR) imaging and to identify similarities and d...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2015142766
更新日期:2015-10-01 00:00:00
abstract:PURPOSE:To determine if a correlation exists between the number of previous enhanced magnetic resonance (MR) imaging examinations and high signal intensity in the globus pallidus (GP) and dentate nucleus (DN) in patients who received gadodiamide (Omniscan), a linear nonionic gadolinium-based contrast agent, and in thos...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2015150872
更新日期:2015-09-01 00:00:00
abstract:PURPOSE:To compare breast cancer disease-free survival (DFS) outcomes of patients with newly diagnosed breast cancer without and with preoperative magnetic resonance (MR) imaging. MATERIALS AND METHODS This study was approved by an institutional review board, and informed consent was waived. From 2004 to 2009 (unilater...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2015142101
更新日期:2015-09-01 00:00:00
abstract:PURPOSE:To retrospectively assess the use of the European Society of Urogenital Radiology (ESUR) Prostate Imaging Reporting and Data System (PI-RADS) criteria and 3-T multiparametric magnetic resonance (MR) imaging for detection of extraprostatic extension (EPE) of prostate cancer. MATERIALS AND METHODS:The institutio...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.15141412
更新日期:2015-08-01 00:00:00
abstract:PURPOSE:To develop a method to assess volumetric cortical bone porosity in clinically practical acquisition times by measuring the signal decay at only two echo times (TEs) as part of a single three-dimensional ultrashort TE (UTE) magnetic resonance (MR) examination. MATERIALS AND METHODS:The study was approved by the...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.15141850
更新日期:2015-08-01 00:00:00
abstract:PURPOSE:To use magnetic resonance (MR) imaging to document the appearance of perianal infection in patients with a hematologic malignancy (HM) compared with that in immunocompetent control patients. MATERIALS AND METHODS:After an ethical waiver was obtained, 38 patients with an HM were matched by age and sex to 38 con...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.15141662
更新日期:2015-07-01 00:00:00
abstract::The societal and individual burden caused by acute and chronic lower extremity venous disease is considerable. In the past several decades, minimally invasive endovascular interventions have been developed to reduce thrombus burden in the setting of acute deep venous thrombosis to prevent both short- and long-term mor...
journal_title:Radiology
pub_type: 杂志文章,评审
doi:10.1148/radiol.2015132603
更新日期:2015-07-01 00:00:00
abstract:PURPOSE:To evaluate the frequency, risk factors, and clinical significance of aggressive intrasegmental recurrence (AIR) found after radiofrequency (RF) ablation for hepatocellular carcinoma (HCC). MATERIALS AND METHODS:Institutional review board approval was obtained for this retrospective study. Between March 2005 a...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.15141215
更新日期:2015-07-01 00:00:00
abstract:PURPOSE:To investigate the association between cumulative operator volume and the risk of hepatocellular carcinoma (HCC) recurrence after potentially curative radiofrequency ablation (RFA). MATERIALS AND METHODS:This study was approved by the Research Ethics Committee. By using the Taiwan National Health Insurance Res...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.15141864
更新日期:2015-07-01 00:00:00
abstract::As with other musculoskeletal joints, elbow ultrasonography (US) depends on the examination technique. Deep knowledge of the relevant anatomy, such as the bone surface anatomy, tendon orientation, nerves, and vessels, is crucial for diagnosis. It is important to be aware of the primary imaging pitfalls related to US t...
journal_title:Radiology
pub_type: 杂志文章,评审
doi:10.1148/radiol.2015141950
更新日期:2015-06-01 00:00:00
abstract:PURPOSE:To examine geographic variation in providers' use of diagnostic imaging to identify potential targets for quality improvement initiatives after adjusting for imaging referral across hospital referral regions (HRRs). MATERIALS AND METHODS:Using two Centers for Medicare and Medicaid Services datasets, the author...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.15141964
更新日期:2015-06-01 00:00:00
abstract:PURPOSE:To assess whether ultrasonography (US)-based real-time elastography (RTE) can be used to detect gut fibrosis. MATERIALS AND METHODS:In this institutional review board-approved, prospective, proof-of-concept study, unaffected and affected gut segments in 10 patients with Crohn disease (four women, six men; medi...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.14141929
更新日期:2015-06-01 00:00:00
abstract:PURPOSE:To test the hypothesis that whole-body metabolic tumor burden (MTBWB) on postsurgical fluorodeoxyglucose (FDG) positron emission tomographic (PET)/computed tomographic (CT) images in patients with non-small cell lung cancer (NSCLC) is associated with their overall survival (OS). MATERIALS AND METHODS:The insti...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.14141398
更新日期:2015-06-01 00:00:00
abstract:PURPOSE:To identify opportunities for improving patient-centered communication about diagnostic imaging tests that involve the use of radiation in a cancer care setting. MATERIALS AND METHODS:Institutional review board approval and informed consent were obtained for this HIPAA-compliant study. Patient knowledge, infor...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.15132905
更新日期:2015-05-01 00:00:00
abstract:PURPOSE:To investigate the variability in head computed tomographic (CT) scanning in patients with hemorrhagic stroke in U.S. hospitals, its association with mortality, and the number of different physicians consulted. MATERIALS AND METHODS:The study was approved by the Committee for the Protection of Human Subjects a...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.14141362
更新日期:2015-04-01 00:00:00
abstract:PURPOSE:To validate the usefulness of a newly developed tracer for preoperative gastric sentinel lymph node (LN) (SLN) mapping and intraoperative navigation after a single preoperative submucosal injection in rat and beagle models. MATERIALS AND METHODS:This study was approved by the Experimental Animal Ethical Commit...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.14141159
更新日期:2015-04-01 00:00:00
abstract:PURPOSE:To approximate the functional relationship between invasively measured mean pulmonary arterial pressure (mPAP) and the phase-contrast magnetic resonance (MR) imaging-derived duration of vortical blood flow along the main pulmonary artery and to analyze its applicability for noninvasive diagnosis of pulmonary hy...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.14140849
更新日期:2015-04-01 00:00:00
abstract:PURPOSE:To perform a systematic review and meta-analysis of the diagnostic performance of computed tomography (CT) and magnetic resonance (MR) imaging as noninvasive modalities for evaluating hepatocellular carcinoma (HCC) in patients with chronic liver disease. MATERIALS AND METHODS:A search of the MEDLINE, EMBASE, a...
journal_title:Radiology
pub_type: 杂志文章,meta分析,评审
doi:10.1148/radiol.14140690
更新日期:2015-04-01 00:00:00
abstract:PURPOSE:To determine whether addition of quality measure (QM) of shear-wave (SW) velocity (Vs) estimation can increase SW elastography sensitivity for breast cancer. MATERIALS AND METHODS:With written informed consent, this institutional review board-approved, HIPAA-compliant study included 143 women (mean age, 48.5 y...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.14132404
更新日期:2015-04-01 00:00:00
abstract:PURPOSE:To compare the value of enhancement and pharmacokinetic parameters measured at dynamic gadoxetate-enhanced magnetic resonance (MR) imaging in determining hepatic organic anion transporter expression in control rats and rats with advanced liver fibrosis. MATERIALS AND METHODS:Institutional animal review board a...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.14140313
更新日期:2015-02-01 00:00:00
abstract:PURPOSE:To assess the ability of helium 3 ((3)He) magnetic resonance (MR) imaging of regional alveolar partial pressure of oxygen (Pao2) to depict smoking-induced functional alterations and to compare its efficacy to that of current diagnostic techniques. MATERIALS AND METHODS:This study was approved by the local inst...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.14132809
更新日期:2015-02-01 00:00:00
abstract:PURPOSE:To compare the occurrence of several central sulcus variants and to assess the reproducibility of a sulcal pattern named the power button sign (PBS) in patients with type 2 focal cortical dysplasia (FCD2) and healthy control subjects. MATERIALS AND METHODS:The local institutional review board approved the stud...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.14140773
更新日期:2015-02-01 00:00:00
abstract:PURPOSE:To prospectively evaluate whether the characteristics of hepatic blood flow change during the early stages of fibrosis in patients with nonalcoholic fatty liver disease (NAFLD). MATERIALS AND METHODS:All participants provided written informed consent, and the study protocols were approved by the institutional ...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.14132952
更新日期:2015-02-01 00:00:00
abstract:PURPOSE:To evaluate oxygen-enhanced T1-mapping magnetic resonance (MR) imaging as a noninvasive method for visualization and quantification of regional inflammation after segmental allergen challenge in asthmatic patients compared with control subjects. MATERIALS AND METHODS:After institutional review board approval, ...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.14132607
更新日期:2015-01-01 00:00:00
abstract:PURPOSE:To (a) demonstrate an image-processing method that can automatically measure the power Doppler signal in a three-dimensional ( 3D three-dimensional ) ultrasonographic (US) volume by using the location of organs within the image and (b) compare 3D three-dimensional fractional moving blood volume ( FMBV fractiona...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.14132363
更新日期:2015-01-01 00:00:00
abstract:PURPOSE:To determine, in a dual-center setting, whether patients who experience transient severe motion ( TSM transient severe motion ) in the arterial phase during gadoxetate disodium-enhanced magnetic resonance (MR) imaging are at higher risk for a subsequent episode of TSM transient severe motion than patients who d...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.14140386
更新日期:2015-01-01 00:00:00
abstract::Online supplemental material is available for this article. ...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.14142264
更新日期:2015-01-01 00:00:00
abstract:PURPOSE:To determine the risk of emergent dialysis and short-term mortality following intravenous iodinated contrast material exposure. MATERIALS AND METHODS:This single-center retrospective study was HIPAA compliant and institutional review board approved. All contrast material-enhanced (contrast group) and unenhance...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.14132418
更新日期:2014-12-01 00:00:00
abstract:PURPOSE:To compare the use of dynamic oxygen-enhanced magnetic resonance (MR) imaging with the use of quantitatively assessed computed tomography (CT) for assessment of clinical stage and evaluation of pulmonary functional change due to treatment in patients with asthma. MATERIALS AND METHODS:The institutional review ...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.14132660
更新日期:2014-12-01 00:00:00
abstract:PURPOSE:To analyze the effect of a decrease in computed tomographic (CT) colonographic voltage, from 100 and 120 kVp to 80 kVp and reconstructed with filtered back projection ( FBP filtered back projection ), on radiation dose, image noise, and diagnostic performance in anthropomorphic phantoms and to assess the effect...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.14140192
更新日期:2014-12-01 00:00:00
abstract:PURPOSE:To assess the feasibility of automatic needle-guide tracking by using a real-time phase-only cross correlation ( POCC phase-only cross correlation ) algorithm-based sequence for transrectal 3-T in-bore magnetic resonance (MR)-guided prostate biopsies. MATERIALS AND METHODS:This study was approved by the ethics...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.14132067
更新日期:2014-12-01 00:00:00
abstract:PURPOSE:To evaluate the characteristics and outcomes of women aged 75 years and older with mammography-detected breast cancer, an age group not represented in mammography screening effectiveness studies. MATERIALS AND METHODS:We conducted a HIPAA-compliant, prospective cohort study with waiver of informed consent in p...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.14140209
更新日期:2014-12-01 00:00:00
abstract:PURPOSE:To present data from the first prospective pilot phase trial of breast cancer participants imaged with fluorine 18 ((18)F)-2-fluoropropionyl-labeled PEGylated dimeric arginine-glycine-aspartic acid ( RGD arginine-glycine-aspartic acid ) peptide (PEG3-E[c{ RGD arginine-glycine-aspartic acid yk}]2) ( FPPRGD2 2-fl...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.14140028
更新日期:2014-11-01 00:00:00
abstract:PURPOSE:To examine radiologists' screening performance in relation to the number of diagnostic work-ups performed after abnormal findings are discovered at screening mammography by the same radiologist or by different radiologists. MATERIALS AND METHODS:In an institutional review board-approved HIPAA-compliant study, ...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.14132806
更新日期:2014-11-01 00:00:00
abstract:PURPOSE:To identify computed tomographic (CT) findings that are associated with the effectiveness of nonsurgical treatment in patients with adhesive small-bowel obstruction ( SBO small-bowel obstruction ) that was initially treated medically. MATERIALS AND METHODS:The local institutional review board approved this ret...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.14132872
更新日期:2014-11-01 00:00:00
abstract::During the past century, imaging of the pregnant patient has been performed with radiography, scintigraphy, computed tomography, magnetic resonance imaging, and ultrasonography (US). US imaging has emerged as the primary imaging modality, because it provides real-time images at relatively low cost without the use of i...
journal_title:Radiology
pub_type: 历史文章,杂志文章,评审
doi:10.1148/radiol.14140238
更新日期:2014-11-01 00:00:00
abstract:PURPOSE:To derive a suitable method for grading masticator space invasion in nasopharyngeal carcinoma on the basis of magnetic resonance (MR) images and to determine its prognostic value in patients undergoing intensity-modulated radiation therapy. MATERIALS AND METHODS:After institutional review board approval and in...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.14132745
更新日期:2014-10-01 00:00:00
abstract:PURPOSE:To evaluate characteristics of delayed ischemic stroke after stent-assisted coil placement in cerebral aneurysms and to determine the optimal duration of dual antiplatelet therapy for its prevention. MATERIALS AND METHODS:This retrospective study was approved by the institutional review board, and the requirem...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.14140070
更新日期:2014-10-01 00:00:00
abstract:PURPOSE:To evaluate differences in the structural connectome among patients with normal cognition (NC), mild cognitive impairment (MCI), and Alzheimer disease (AD) and to determine associations between the structural connectome and cortical amyloid deposition. MATERIALS AND METHODS:Patients enrolled in a multicenter b...
journal_title:Radiology
pub_type: 杂志文章,多中心研究
doi:10.1148/radiol.14132593
更新日期:2014-10-01 00:00:00
abstract:PURPOSE:To evaluate the potential of quantitative susceptibility (QS) and R2* mapping as surrogate biomarkers of clinically relevant, age-adjusted demyelination and iron deposition in multiple sclerosis (MS). MATERIALS AND METHODS:All study participants gave written informed consent, and the study was approved by the ...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.14132475
更新日期:2014-09-01 00:00:00